1) A situation in which there are many woman, and very few men, present.

2) A large number of vagines, or buns, with an extreme shortage of peni, or sausages.

3) The opposite of a Sausage Fest.
Guy 1: This Maroon 5 concert is awesome! It's a total Bun Fest here!

Guy 2: You're still a faggot for going.
by 100-Watt Warlock October 21, 2010
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